Ключевые слова: art, background, blue, box, communication, container, delivery, deposit, door, email, envelope, glossy, green, history, key, letter, letterbox, lock, locker, mail, mailbox, many, metal, number, obsolete, office, old, oriental, pattern, post, postage, poverty, row, rust, safety, secure, security, steel, storage, style, texture, urban, wall, white,